﻿using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using OnlineTestDAL;
using OnlineTestModel;

namespace OnlineTestBLL
{
    public class PartsBLL
    {
        private readonly PartsDAL dal = new PartsDAL();
        #region  Method

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return dal.GetMaxId();
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            return dal.Exists(id);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Parts model)
        {
            return dal.Add(model);
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Parts model)
        {
            return dal.Update(model);
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int id)
        {

            return dal.Delete(id);
        }
        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool DeleteList(string idlist)
        {
            return dal.DeleteList(idlist);
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Parts GetModel(int id)
        {

            return dal.GetModel(id);
        }

       

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            return dal.GetList(strWhere);
        }
        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            return dal.GetList(Top, strWhere, filedOrder);
        }
        /// <summary>
        /// 获得数据列表
        /// </summary>
        public List<Parts> GetModelList(string strWhere)
        {
            DataSet ds = dal.GetList(strWhere);
            return DataTableToList(ds.Tables[0]);
        }
        /// <summary>
        /// 获得数据列表
        /// </summary>
        public List<Parts> DataTableToList(DataTable dt)
        {
            List<Parts> modelList = new List<Parts>();
            int rowsCount = dt.Rows.Count;
            if (rowsCount > 0)
            {
                Parts model;
                for (int n = 0; n < rowsCount; n++)
                {
                    model = new Parts();
                    if (dt.Rows[n]["id"] != null && dt.Rows[n]["id"].ToString() != "")
                    {
                        model.Id = int.Parse(dt.Rows[n]["id"].ToString());
                    }
                    if (dt.Rows[n]["partname"] != null && dt.Rows[n]["partname"].ToString() != "")
                    {
                        model.PartName = dt.Rows[n]["partname"].ToString();
                    }
                    if (dt.Rows[n]["partnumber"] != null && dt.Rows[n]["partnumber"].ToString() != "")
                    {
                        model.PartNumber = Convert.ToInt32(dt.Rows[n]["partnumber"].ToString());
                    }
                    if (dt.Rows[n]["courseid"] != null && dt.Rows[n]["courseid"].ToString() != "")
                    {
                        model.CourseId = int.Parse(dt.Rows[n]["courseid"].ToString());
                    }
                    if (dt.Rows[n]["parentid"] != null && dt.Rows[n]["parentid"].ToString() != "")
                    {
                        model.CourseId = int.Parse(dt.Rows[n]["parentid"].ToString());
                    }
                    if (dt.Rows[n]["isimportant"] != null && dt.Rows[n]["isimportant"].ToString() != "")
                    {
                        if ((dt.Rows[n]["isimportant"].ToString() == "1") || (dt.Rows[n]["isimportant"].ToString().ToLower() == "true"))
                        {
                            model.IsImportant = true;
                        }
                        else
                        {
                            model.IsImportant = false;
                        }
                    }
                    modelList.Add(model);
                }
            }
            return modelList;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetAllList()
        {
            return GetList("");
        }

        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            return dal.GetRecordCount(strWhere);
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            return dal.GetListByPage(strWhere, orderby, startIndex, endIndex);
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        //public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        //{
        //return dal.GetList(PageSize,PageIndex,strWhere);
        //}

        #endregion  Method
    }
}
